US Bridges

SR-154NB (bngtr.H) over 700 South Street

Poor

Salt Lake County, Utah · 700 South 4000 West Slc · Structure no. 1C 738

Built
1985
40 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
177 ft
3 main spans
Daily traffic
21,510
2014 count
Owner
State
State Highway Agency

About this bridge

SR-154NB (bngtr.H) over 700 South Street is a steel continuous stringer/multi-beam or girder carrying SR-154NB (bngtr.H) over 700 South Street in Salt Lake County, Utah. It was built in 1985, so it is 40 years old, younger than the Utah average of 40.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 21,510 vehicles a day, roughly 15% of them trucks, projected to reach 26,888 by 2034. The structure is 177 ft (54.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR-154NB (bngtr.H)
Crosses700 South Street
Location700 South 4000 West Slc
RouteState Highway 154
StateUtah
Coordinates40.75438, -111.9867
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length177 ft (54.1 m)
Longest span126 ft (38.3 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,510 (2014)
Projected traffic26,888 by 2034
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR-154NB (bngtr.H) over 700 South Street built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR-154NB (bngtr.H) over 700 South Street in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does SR-154NB (bngtr.H) over 700 South Street carry?

About 21,510 vehicles per day (2014 count), of which roughly 15% are trucks.

How long is SR-154NB (bngtr.H) over 700 South Street?

The structure is 177 ft (54.1 m) long with a longest span of 126 ft (38.3 m) and a deck 44 ft wide.

Who owns SR-154NB (bngtr.H) over 700 South Street?

It is owned by the State Highway Agency.